1. When one acts in a way which ignores standard social boundaries in a sexual way. (i.e Rape, Fondling, Removal of ones pants, playing with ones or another persons gentiles in public, ect.)
2. Saying something which ignores standard social boundaries. (i.e Asking someone if they are having sex, Telling someone when one masturbates, ect.)
Wow, he was sure acting Davish!